ASAP! How can i change Account type when button clicked?

Hello community!

I am going to change user type when button clicked, plaese help me ASAP!

define("ContactPageV2", [], function() {
	return {
		entitySchemaName: "Contact",
		attributes: {},
		modules: /**SCHEMA_MODULES*/{}/**SCHEMA_MODULES*/,
		details: /**SCHEMA_DETAILS*/{}/**SCHEMA_DETAILS*/,
		businessRules: /**SCHEMA_BUSINESS_RULES*/{}/**SCHEMA_BUSINESS_RULES*/,
		methods: {
			// owner is NULL = disable button 
			onPageClick: function() {
				var textInput = this.get("Owner");
				var textType = this.get("Type");
				console.log(textType);
				console.log(textInput.value);
				if (textInput) {
					this.set("Type", {value: "60733efc-f36b-1410-a883-16d83cab0980", displaValue: "Employee", markerValue: 							"Employee", customHtml: "Employee", primaryImageVisible: false });
 
				}
				var ageInput = this.get("Age");
				this.set(ageInput, 24);
				console.log(ageInput);
 
			},
			getMyButtonEnabled: function(){
				var textInput = this.get("Owner");
				var result = !!textInput;
				return result;
			}
		},
		dataModels: /**SCHEMA_DATA_MODELS*/{}/**SCHEMA_DATA_MODELS*/,
		diff: /**SCHEMA_DIFF*/[
			{
				"operation": "insert",	
				"parentName": "ContactGeneralInfoBlock",
				"propertyName": "items",
				"name": "NewButton",
				"values": {
					itemType: Terrasoft.ViewItemType.BUTTON,
                    caption: {bindTo: "Resources.Strings.NewButtonCaption"},
					click: {bindTo: "onPageClick"},
					enabled: {bindTo: "getMyButtonEnabled"},
					"style": Terrasoft.controls.ButtonEnums.style.BLUE,
					"layout": {
						"column": 12,
						"row": 2,
						"colSpan": 8,
						"rowSpan": 1
					}
 
				},
 
            },
		]/**SCHEMA_DIFF*/
	};
});